348990 has 16 divisors (see below), whose sum is σ = 837648. Its totient is φ = 93056.

The previous prime is 348989. The next prime is 348991. The reversal of 348990 is 99843.

It is an interprime number because it is at equal distance from previous prime (348989) and next prime (348991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5787 + ... + 5846.

It is an arithmetic number, because the mean of its divisors is an integer number (52353).

2³⁴⁸⁹⁹⁰ is an apocalyptic number.

348990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

348990 is an abundant number, since it is smaller than the sum of its proper divisors (488658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348990 is a wasteful number, since it uses less digits than its factorization.

348990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 348990 is about 590.7537558069. The cubic root of 348990 is about 70.4051337079.

The spelling of 348990 in words is "three hundred forty-eight thousand, nine hundred ninety".